An ice cream shop recorded the number of customers purchasing ice creams of different flavours- array - c - c - Wline Flavour - Number of customerillhline Vanilla - 7 INhlineChocolate - 18 MhlineStrawberry - 12 iWhline Pista - 13 illhlinelend array i Find the probability of ordering choclate-ii Find the probability of not ordering strawberry -3MARKS-

Solution: [3Marks] Total number of customers = 7 + 18 + 12 + 13 = 50 Probability of ordering chocolate = 18/50 = 0.36 People who didn’t order strawberry = 50 – ...

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Standard IX

Mathematics

Theoretical Probability

An ice cream ...

Question

An ice cream shop recorded the number of customers purchasing ice creams of different flavours.

$\begin{matrix} F l a v o u r & N u m b e r o f c u s t o m e r V a n i l l a & 7 C h o c o l a t e & 18 S t r a w b e r r y & 12 P i s t a & 13 \end{matrix}$

(i) Find the probability of ordering choclate;

(ii) Find the probability of not ordering strawberry [3MARKS]

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Solution

Solution: [3Marks]

Total number of customers = 7 + 18 + 12 + 13 = 50
Probability of ordering chocolate = $\frac{18}{50}$ = 0.36
People who didn’t order strawberry = 50 – 12 = 38
Probability of not ordering strawberry = $\frac{38}{50}$ = 0.76

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An ice cream shop recorded the number of customers purchasing ice creams of different flavours. FlavourNumberofcustomerVanilla7Chocolate18Strawberry12Pista13 (i) Find the probability of ordering choclate; (ii) Find the probability of not ordering strawberry [3MARKS]

Solution: [3Marks] Total number of customers = 7 + 18 + 12 + 13 = 50 Probability of ordering chocolate = 1850 = 0.36 People who didn’t order strawberry = 50 – 12 = 38 Probability of not ordering strawberry = 3850 = 0.76

Solution: [3Marks]

Total number of customers = 7 + 18 + 12 + 13 = 50
Probability of ordering chocolate = $\frac{18}{50}$ = 0.36
People who didn’t order strawberry = 50 – 12 = 38
Probability of not ordering strawberry = $\frac{38}{50}$ = 0.76